2 * Marvell Wireless LAN device driver: CFG80211
4 * Copyright (C) 2011-2014, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
23 static char *reg_alpha2
;
24 module_param(reg_alpha2
, charp
, 0);
26 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits
[] = {
28 .max
= 2, .types
= BIT(NL80211_IFTYPE_STATION
) |
29 BIT(NL80211_IFTYPE_P2P_GO
) |
30 BIT(NL80211_IFTYPE_P2P_CLIENT
),
33 .max
= 1, .types
= BIT(NL80211_IFTYPE_AP
),
37 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta
= {
38 .limits
= mwifiex_ap_sta_limits
,
39 .num_different_channels
= 1,
40 .n_limits
= ARRAY_SIZE(mwifiex_ap_sta_limits
),
41 .max_interfaces
= MWIFIEX_MAX_BSS_NUM
,
42 .beacon_int_infra_match
= true,
46 * This function maps the nl802.11 channel type into driver channel type.
48 * The mapping is as follows -
49 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
50 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
51 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
52 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
53 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
55 u8
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type
)
58 case NL80211_CHAN_NO_HT
:
59 case NL80211_CHAN_HT20
:
60 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
61 case NL80211_CHAN_HT40PLUS
:
62 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE
;
63 case NL80211_CHAN_HT40MINUS
:
64 return IEEE80211_HT_PARAM_CHA_SEC_BELOW
;
66 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
71 * This function checks whether WEP is set.
74 mwifiex_is_alg_wep(u32 cipher
)
77 case WLAN_CIPHER_SUITE_WEP40
:
78 case WLAN_CIPHER_SUITE_WEP104
:
88 * This function retrieves the private structure from kernel wiphy structure.
90 static void *mwifiex_cfg80211_get_adapter(struct wiphy
*wiphy
)
92 return (void *) (*(unsigned long *) wiphy_priv(wiphy
));
96 * CFG802.11 operation handler to delete a network key.
99 mwifiex_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
100 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
102 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
103 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
104 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
106 if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
, peer_mac
, 1)) {
107 wiphy_err(wiphy
, "deleting the crypto keys\n");
111 wiphy_dbg(wiphy
, "info: crypto keys deleted\n");
116 * This function forms an skb for management frame.
119 mwifiex_form_mgmt_frame(struct sk_buff
*skb
, const u8
*buf
, size_t len
)
121 u8 addr
[ETH_ALEN
] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
123 u32 tx_control
= 0, pkt_type
= PKT_TYPE_MGMT
;
125 pkt_len
= len
+ ETH_ALEN
;
127 skb_reserve(skb
, MWIFIEX_MIN_DATA_HEADER_LEN
+
128 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+ sizeof(pkt_len
));
129 memcpy(skb_push(skb
, sizeof(pkt_len
)), &pkt_len
, sizeof(pkt_len
));
131 memcpy(skb_push(skb
, sizeof(tx_control
)),
132 &tx_control
, sizeof(tx_control
));
134 memcpy(skb_push(skb
, sizeof(pkt_type
)), &pkt_type
, sizeof(pkt_type
));
136 /* Add packet data and address4 */
137 memcpy(skb_put(skb
, sizeof(struct ieee80211_hdr_3addr
)), buf
,
138 sizeof(struct ieee80211_hdr_3addr
));
139 memcpy(skb_put(skb
, ETH_ALEN
), addr
, ETH_ALEN
);
140 memcpy(skb_put(skb
, len
- sizeof(struct ieee80211_hdr_3addr
)),
141 buf
+ sizeof(struct ieee80211_hdr_3addr
),
142 len
- sizeof(struct ieee80211_hdr_3addr
));
144 skb
->priority
= LOW_PRIO_TID
;
145 __net_timestamp(skb
);
151 * CFG802.11 operation handler to transmit a management frame.
154 mwifiex_cfg80211_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
155 struct cfg80211_mgmt_tx_params
*params
, u64
*cookie
)
157 const u8
*buf
= params
->buf
;
158 size_t len
= params
->len
;
161 const struct ieee80211_mgmt
*mgmt
;
162 struct mwifiex_txinfo
*tx_info
;
163 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
166 wiphy_err(wiphy
, "invalid buffer and length\n");
170 mgmt
= (const struct ieee80211_mgmt
*)buf
;
171 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
&&
172 ieee80211_is_probe_resp(mgmt
->frame_control
)) {
173 /* Since we support offload probe resp, we need to skip probe
174 * resp in AP or GO mode */
176 "info: skip to send probe resp in AP or GO mode\n");
180 pkt_len
= len
+ ETH_ALEN
;
181 skb
= dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN
+
182 MWIFIEX_MGMT_FRAME_HEADER_SIZE
+
183 pkt_len
+ sizeof(pkt_len
));
186 wiphy_err(wiphy
, "allocate skb failed for management frame\n");
190 tx_info
= MWIFIEX_SKB_TXCB(skb
);
191 memset(tx_info
, 0, sizeof(*tx_info
));
192 tx_info
->bss_num
= priv
->bss_num
;
193 tx_info
->bss_type
= priv
->bss_type
;
194 tx_info
->pkt_len
= pkt_len
;
196 mwifiex_form_mgmt_frame(skb
, buf
, len
);
197 mwifiex_queue_tx_pkt(priv
, skb
);
199 *cookie
= prandom_u32() | 1;
200 cfg80211_mgmt_tx_status(wdev
, *cookie
, buf
, len
, true, GFP_ATOMIC
);
202 wiphy_dbg(wiphy
, "info: management frame transmitted\n");
207 * CFG802.11 operation handler to register a mgmt frame.
210 mwifiex_cfg80211_mgmt_frame_register(struct wiphy
*wiphy
,
211 struct wireless_dev
*wdev
,
212 u16 frame_type
, bool reg
)
214 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
218 mask
= priv
->mgmt_frame_mask
| BIT(frame_type
>> 4);
220 mask
= priv
->mgmt_frame_mask
& ~BIT(frame_type
>> 4);
222 if (mask
!= priv
->mgmt_frame_mask
) {
223 priv
->mgmt_frame_mask
= mask
;
224 mwifiex_send_cmd(priv
, HostCmd_CMD_MGMT_FRAME_REG
,
225 HostCmd_ACT_GEN_SET
, 0,
226 &priv
->mgmt_frame_mask
, false);
227 wiphy_dbg(wiphy
, "info: mgmt frame registered\n");
232 * CFG802.11 operation handler to remain on channel.
235 mwifiex_cfg80211_remain_on_channel(struct wiphy
*wiphy
,
236 struct wireless_dev
*wdev
,
237 struct ieee80211_channel
*chan
,
238 unsigned int duration
, u64
*cookie
)
240 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
243 if (!chan
|| !cookie
) {
244 wiphy_err(wiphy
, "Invalid parameter for ROC\n");
248 if (priv
->roc_cfg
.cookie
) {
249 wiphy_dbg(wiphy
, "info: ongoing ROC, cookie = 0x%llx\n",
250 priv
->roc_cfg
.cookie
);
254 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_SET
, chan
,
258 *cookie
= prandom_u32() | 1;
259 priv
->roc_cfg
.cookie
= *cookie
;
260 priv
->roc_cfg
.chan
= *chan
;
262 cfg80211_ready_on_channel(wdev
, *cookie
, chan
,
263 duration
, GFP_ATOMIC
);
265 wiphy_dbg(wiphy
, "info: ROC, cookie = 0x%llx\n", *cookie
);
272 * CFG802.11 operation handler to cancel remain on channel.
275 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy
*wiphy
,
276 struct wireless_dev
*wdev
, u64 cookie
)
278 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
281 if (cookie
!= priv
->roc_cfg
.cookie
)
284 ret
= mwifiex_remain_on_chan_cfg(priv
, HostCmd_ACT_GEN_REMOVE
,
285 &priv
->roc_cfg
.chan
, 0);
288 cfg80211_remain_on_channel_expired(wdev
, cookie
,
292 memset(&priv
->roc_cfg
, 0, sizeof(struct mwifiex_roc_cfg
));
294 wiphy_dbg(wiphy
, "info: cancel ROC, cookie = 0x%llx\n", cookie
);
301 * CFG802.11 operation handler to set Tx power.
304 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
305 struct wireless_dev
*wdev
,
306 enum nl80211_tx_power_setting type
,
309 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
310 struct mwifiex_private
*priv
;
311 struct mwifiex_power_cfg power_cfg
;
312 int dbm
= MBM_TO_DBM(mbm
);
314 if (type
== NL80211_TX_POWER_FIXED
) {
315 power_cfg
.is_power_auto
= 0;
316 power_cfg
.power_level
= dbm
;
318 power_cfg
.is_power_auto
= 1;
321 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
323 return mwifiex_set_tx_power(priv
, &power_cfg
);
327 * CFG802.11 operation handler to set Power Save option.
329 * The timeout value, if provided, is currently ignored.
332 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
333 struct net_device
*dev
,
334 bool enabled
, int timeout
)
336 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
341 "info: ignore timeout value for IEEE Power Save\n");
345 return mwifiex_drv_set_power(priv
, &ps_mode
);
349 * CFG802.11 operation handler to set the default network key.
352 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
353 u8 key_index
, bool unicast
,
356 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
358 /* Return if WEP key not configured */
359 if (!priv
->sec_info
.wep_enabled
)
362 if (priv
->bss_type
== MWIFIEX_BSS_TYPE_UAP
) {
363 priv
->wep_key_curr_index
= key_index
;
364 } else if (mwifiex_set_encode(priv
, NULL
, NULL
, 0, key_index
,
366 wiphy_err(wiphy
, "set default Tx key index\n");
374 * CFG802.11 operation handler to add a network key.
377 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
378 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
379 struct key_params
*params
)
381 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
382 struct mwifiex_wep_key
*wep_key
;
383 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
384 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
386 if (GET_BSS_ROLE(priv
) == MWIFIEX_BSS_ROLE_UAP
&&
387 (params
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
388 params
->cipher
== WLAN_CIPHER_SUITE_WEP104
)) {
389 if (params
->key
&& params
->key_len
) {
390 wep_key
= &priv
->wep_key
[key_index
];
391 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
392 memcpy(wep_key
->key_material
, params
->key
,
394 wep_key
->key_index
= key_index
;
395 wep_key
->key_length
= params
->key_len
;
396 priv
->sec_info
.wep_enabled
= 1;
401 if (mwifiex_set_encode(priv
, params
, params
->key
, params
->key_len
,
402 key_index
, peer_mac
, 0)) {
403 wiphy_err(wiphy
, "crypto keys added\n");
411 * This function sends domain information to the firmware.
413 * The following information are passed to the firmware -
415 * - Sub bands (first channel, number of channels, maximum Tx power)
417 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
419 u8 no_of_triplet
= 0;
420 struct ieee80211_country_ie_triplet
*t
;
421 u8 no_of_parsed_chan
= 0;
422 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
424 enum ieee80211_band band
;
425 struct ieee80211_supported_band
*sband
;
426 struct ieee80211_channel
*ch
;
427 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
428 struct mwifiex_private
*priv
;
429 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
431 /* Set country code */
432 domain_info
->country_code
[0] = adapter
->country_code
[0];
433 domain_info
->country_code
[1] = adapter
->country_code
[1];
434 domain_info
->country_code
[2] = ' ';
436 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
437 if (!wiphy
->bands
[band
]) {
438 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
442 sband
= wiphy
->bands
[band
];
444 for (i
= 0; i
< sband
->n_channels
; i
++) {
445 ch
= &sband
->channels
[i
];
446 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
451 first_chan
= (u32
) ch
->hw_value
;
452 next_chan
= first_chan
;
453 max_pwr
= ch
->max_power
;
454 no_of_parsed_chan
= 1;
458 if (ch
->hw_value
== next_chan
+ 1 &&
459 ch
->max_power
== max_pwr
) {
463 t
= &domain_info
->triplet
[no_of_triplet
];
464 t
->chans
.first_channel
= first_chan
;
465 t
->chans
.num_channels
= no_of_parsed_chan
;
466 t
->chans
.max_power
= max_pwr
;
468 first_chan
= (u32
) ch
->hw_value
;
469 next_chan
= first_chan
;
470 max_pwr
= ch
->max_power
;
471 no_of_parsed_chan
= 1;
476 t
= &domain_info
->triplet
[no_of_triplet
];
477 t
->chans
.first_channel
= first_chan
;
478 t
->chans
.num_channels
= no_of_parsed_chan
;
479 t
->chans
.max_power
= max_pwr
;
483 domain_info
->no_of_triplet
= no_of_triplet
;
485 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
487 if (mwifiex_send_cmd(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
488 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
489 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
497 * CFG802.11 regulatory domain callback function.
499 * This function is called when the regulatory domain is changed due to the
500 * following reasons -
502 * - Set by system core
504 * - Set bt Country IE
506 static void mwifiex_reg_notifier(struct wiphy
*wiphy
,
507 struct regulatory_request
*request
)
509 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
510 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
511 MWIFIEX_BSS_ROLE_ANY
);
513 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for %c%c\n",
514 request
->alpha2
[0], request
->alpha2
[1]);
516 switch (request
->initiator
) {
517 case NL80211_REGDOM_SET_BY_DRIVER
:
518 case NL80211_REGDOM_SET_BY_CORE
:
519 case NL80211_REGDOM_SET_BY_USER
:
520 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
523 wiphy_err(wiphy
, "unknown regdom initiator: %d\n",
528 /* Don't send world or same regdom info to firmware */
529 if (strncmp(request
->alpha2
, "00", 2) &&
530 strncmp(request
->alpha2
, adapter
->country_code
,
531 sizeof(request
->alpha2
))) {
532 memcpy(adapter
->country_code
, request
->alpha2
,
533 sizeof(request
->alpha2
));
534 mwifiex_send_domain_info_cmd_fw(wiphy
);
535 mwifiex_dnld_txpwr_table(priv
);
540 * This function sets the fragmentation threshold.
542 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
543 * and MWIFIEX_FRAG_MAX_VALUE.
546 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
548 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
||
549 frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
550 frag_thr
= MWIFIEX_FRAG_MAX_VALUE
;
552 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
553 HostCmd_ACT_GEN_SET
, FRAG_THRESH_I
,
558 * This function sets the RTS threshold.
560 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
561 * and MWIFIEX_RTS_MAX_VALUE.
564 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
566 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
567 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
569 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
570 HostCmd_ACT_GEN_SET
, RTS_THRESH_I
,
575 * CFG802.11 operation handler to set wiphy parameters.
577 * This function can be used to set the RTS threshold and the
578 * Fragmentation threshold of the driver.
581 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
583 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
584 struct mwifiex_private
*priv
;
585 struct mwifiex_uap_bss_param
*bss_cfg
;
586 int ret
, bss_started
, i
;
588 for (i
= 0; i
< adapter
->priv_num
; i
++) {
589 priv
= adapter
->priv
[i
];
591 switch (priv
->bss_role
) {
592 case MWIFIEX_BSS_ROLE_UAP
:
593 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
),
598 mwifiex_set_sys_config_invalid_data(bss_cfg
);
600 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
601 bss_cfg
->rts_threshold
= wiphy
->rts_threshold
;
602 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
603 bss_cfg
->frag_threshold
= wiphy
->frag_threshold
;
604 if (changed
& WIPHY_PARAM_RETRY_LONG
)
605 bss_cfg
->retry_limit
= wiphy
->retry_long
;
607 bss_started
= priv
->bss_started
;
609 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
610 HostCmd_ACT_GEN_SET
, 0,
613 wiphy_err(wiphy
, "Failed to stop the BSS\n");
618 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
620 UAP_BSS_PARAMS_I
, bss_cfg
,
626 wiphy_err(wiphy
, "Failed to set bss config\n");
633 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_START
,
634 HostCmd_ACT_GEN_SET
, 0,
637 wiphy_err(wiphy
, "Failed to start BSS\n");
642 case MWIFIEX_BSS_ROLE_STA
:
643 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
644 ret
= mwifiex_set_rts(priv
,
645 wiphy
->rts_threshold
);
649 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
650 ret
= mwifiex_set_frag(priv
,
651 wiphy
->frag_threshold
);
663 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private
*priv
)
665 u16 mode
= P2P_MODE_DISABLE
;
667 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
)
668 mwifiex_set_bss_role(priv
, MWIFIEX_BSS_ROLE_STA
);
670 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
671 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
678 * This function initializes the functionalities for P2P client.
679 * The P2P client initialization sequence is:
680 * disable -> device -> client
683 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private
*priv
)
687 if (mwifiex_cfg80211_deinit_p2p(priv
))
690 mode
= P2P_MODE_DEVICE
;
691 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
692 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
695 mode
= P2P_MODE_CLIENT
;
696 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
697 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
704 * This function initializes the functionalities for P2P GO.
705 * The P2P GO initialization sequence is:
706 * disable -> device -> GO
709 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private
*priv
)
713 if (mwifiex_cfg80211_deinit_p2p(priv
))
716 mode
= P2P_MODE_DEVICE
;
717 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
718 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
722 if (mwifiex_send_cmd(priv
, HostCmd_CMD_P2P_MODE_CFG
,
723 HostCmd_ACT_GEN_SET
, 0, &mode
, true))
726 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
727 mwifiex_set_bss_role(priv
, MWIFIEX_BSS_ROLE_UAP
);
733 * CFG802.11 operation handler to change interface type.
736 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
737 struct net_device
*dev
,
738 enum nl80211_iftype type
, u32
*flags
,
739 struct vif_params
*params
)
742 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
744 switch (dev
->ieee80211_ptr
->iftype
) {
745 case NL80211_IFTYPE_ADHOC
:
747 case NL80211_IFTYPE_STATION
:
749 case NL80211_IFTYPE_UNSPECIFIED
:
750 wiphy_warn(wiphy
, "%s: kept type as IBSS\n", dev
->name
);
751 case NL80211_IFTYPE_ADHOC
: /* This shouldn't happen */
753 case NL80211_IFTYPE_AP
:
755 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
760 case NL80211_IFTYPE_STATION
:
762 case NL80211_IFTYPE_ADHOC
:
764 case NL80211_IFTYPE_P2P_CLIENT
:
765 if (mwifiex_cfg80211_init_p2p_client(priv
))
767 dev
->ieee80211_ptr
->iftype
= type
;
769 case NL80211_IFTYPE_P2P_GO
:
770 if (mwifiex_cfg80211_init_p2p_go(priv
))
772 dev
->ieee80211_ptr
->iftype
= type
;
774 case NL80211_IFTYPE_UNSPECIFIED
:
775 wiphy_warn(wiphy
, "%s: kept type as STA\n", dev
->name
);
776 case NL80211_IFTYPE_STATION
: /* This shouldn't happen */
778 case NL80211_IFTYPE_AP
:
780 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
785 case NL80211_IFTYPE_AP
:
787 case NL80211_IFTYPE_UNSPECIFIED
:
788 wiphy_warn(wiphy
, "%s: kept type as AP\n", dev
->name
);
789 case NL80211_IFTYPE_AP
: /* This shouldn't happen */
791 case NL80211_IFTYPE_ADHOC
:
792 case NL80211_IFTYPE_STATION
:
794 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
799 case NL80211_IFTYPE_P2P_CLIENT
:
800 case NL80211_IFTYPE_P2P_GO
:
802 case NL80211_IFTYPE_STATION
:
803 if (mwifiex_cfg80211_deinit_p2p(priv
))
805 dev
->ieee80211_ptr
->iftype
= type
;
812 wiphy_err(wiphy
, "%s: unknown iftype: %d\n",
813 dev
->name
, dev
->ieee80211_ptr
->iftype
);
817 dev
->ieee80211_ptr
->iftype
= type
;
818 priv
->bss_mode
= type
;
819 mwifiex_deauthenticate(priv
, NULL
);
821 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
823 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
824 HostCmd_ACT_GEN_SET
, 0, NULL
, true);
830 mwifiex_parse_htinfo(struct mwifiex_private
*priv
, u8 tx_htinfo
,
831 struct rate_info
*rate
)
833 struct mwifiex_adapter
*adapter
= priv
->adapter
;
835 if (adapter
->is_hw_11ac_capable
) {
836 /* bit[1-0]: 00=LG 01=HT 10=VHT */
837 if (tx_htinfo
& BIT(0)) {
839 rate
->mcs
= priv
->tx_rate
;
840 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
842 if (tx_htinfo
& BIT(1)) {
844 rate
->mcs
= priv
->tx_rate
& 0x0F;
845 rate
->flags
|= RATE_INFO_FLAGS_VHT_MCS
;
848 if (tx_htinfo
& (BIT(1) | BIT(0))) {
850 switch (tx_htinfo
& (BIT(3) | BIT(2))) {
852 /* This will be 20MHz */
855 rate
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
858 rate
->flags
|= RATE_INFO_FLAGS_80_MHZ_WIDTH
;
860 case (BIT(3) | BIT(2)):
861 rate
->flags
|= RATE_INFO_FLAGS_160_MHZ_WIDTH
;
865 if (tx_htinfo
& BIT(4))
866 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
868 if ((priv
->tx_rate
>> 4) == 1)
875 * Bit 0 in tx_htinfo indicates that current Tx rate
876 * is 11n rate. Valid MCS index values for us are 0 to 15.
878 if ((tx_htinfo
& BIT(0)) && (priv
->tx_rate
< 16)) {
879 rate
->mcs
= priv
->tx_rate
;
880 rate
->flags
|= RATE_INFO_FLAGS_MCS
;
881 if (tx_htinfo
& BIT(1))
882 rate
->flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
883 if (tx_htinfo
& BIT(2))
884 rate
->flags
|= RATE_INFO_FLAGS_SHORT_GI
;
890 * This function dumps the station information on a buffer.
892 * The following information are shown -
893 * - Total bytes transmitted
894 * - Total bytes received
895 * - Total packets transmitted
896 * - Total packets received
897 * - Signal quality level
898 * - Transmission rate
901 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
902 struct station_info
*sinfo
)
906 sinfo
->filled
= STATION_INFO_RX_BYTES
| STATION_INFO_TX_BYTES
|
907 STATION_INFO_RX_PACKETS
| STATION_INFO_TX_PACKETS
|
908 STATION_INFO_TX_BITRATE
|
909 STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
911 /* Get signal information from the firmware */
912 if (mwifiex_send_cmd(priv
, HostCmd_CMD_RSSI_INFO
,
913 HostCmd_ACT_GEN_GET
, 0, NULL
, true)) {
914 dev_err(priv
->adapter
->dev
, "failed to get signal information\n");
918 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
919 dev_err(priv
->adapter
->dev
, "getting data rate\n");
923 /* Get DTIM period information from firmware */
924 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
925 HostCmd_ACT_GEN_GET
, DTIM_PERIOD_I
,
926 &priv
->dtim_period
, true);
928 mwifiex_parse_htinfo(priv
, priv
->tx_htinfo
, &sinfo
->txrate
);
930 sinfo
->signal_avg
= priv
->bcn_rssi_avg
;
931 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
932 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
933 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
934 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
935 sinfo
->signal
= priv
->bcn_rssi_avg
;
936 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
937 sinfo
->txrate
.legacy
= rate
* 5;
939 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
940 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
941 sinfo
->bss_param
.flags
= 0;
942 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
943 WLAN_CAPABILITY_SHORT_PREAMBLE
)
944 sinfo
->bss_param
.flags
|=
945 BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
946 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
947 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
948 sinfo
->bss_param
.flags
|=
949 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
950 sinfo
->bss_param
.dtim_period
= priv
->dtim_period
;
951 sinfo
->bss_param
.beacon_interval
=
952 priv
->curr_bss_params
.bss_descriptor
.beacon_period
;
959 * CFG802.11 operation handler to get station information.
961 * This function only works in connected mode, and dumps the
962 * requested station information, if available.
965 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
966 const u8
*mac
, struct station_info
*sinfo
)
968 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
970 if (!priv
->media_connected
)
972 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
975 return mwifiex_dump_station_info(priv
, sinfo
);
979 * CFG802.11 operation handler to dump station information.
982 mwifiex_cfg80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
983 int idx
, u8
*mac
, struct station_info
*sinfo
)
985 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
987 if (!priv
->media_connected
|| idx
)
990 memcpy(mac
, priv
->cfg_bssid
, ETH_ALEN
);
992 return mwifiex_dump_station_info(priv
, sinfo
);
995 /* Supported rates to be advertised to the cfg80211 */
996 static struct ieee80211_rate mwifiex_rates
[] = {
997 {.bitrate
= 10, .hw_value
= 2, },
998 {.bitrate
= 20, .hw_value
= 4, },
999 {.bitrate
= 55, .hw_value
= 11, },
1000 {.bitrate
= 110, .hw_value
= 22, },
1001 {.bitrate
= 60, .hw_value
= 12, },
1002 {.bitrate
= 90, .hw_value
= 18, },
1003 {.bitrate
= 120, .hw_value
= 24, },
1004 {.bitrate
= 180, .hw_value
= 36, },
1005 {.bitrate
= 240, .hw_value
= 48, },
1006 {.bitrate
= 360, .hw_value
= 72, },
1007 {.bitrate
= 480, .hw_value
= 96, },
1008 {.bitrate
= 540, .hw_value
= 108, },
1011 /* Channel definitions to be advertised to cfg80211 */
1012 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
1013 {.center_freq
= 2412, .hw_value
= 1, },
1014 {.center_freq
= 2417, .hw_value
= 2, },
1015 {.center_freq
= 2422, .hw_value
= 3, },
1016 {.center_freq
= 2427, .hw_value
= 4, },
1017 {.center_freq
= 2432, .hw_value
= 5, },
1018 {.center_freq
= 2437, .hw_value
= 6, },
1019 {.center_freq
= 2442, .hw_value
= 7, },
1020 {.center_freq
= 2447, .hw_value
= 8, },
1021 {.center_freq
= 2452, .hw_value
= 9, },
1022 {.center_freq
= 2457, .hw_value
= 10, },
1023 {.center_freq
= 2462, .hw_value
= 11, },
1024 {.center_freq
= 2467, .hw_value
= 12, },
1025 {.center_freq
= 2472, .hw_value
= 13, },
1026 {.center_freq
= 2484, .hw_value
= 14, },
1029 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
1030 .channels
= mwifiex_channels_2ghz
,
1031 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
1032 .bitrates
= mwifiex_rates
,
1033 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
),
1036 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
1037 {.center_freq
= 5040, .hw_value
= 8, },
1038 {.center_freq
= 5060, .hw_value
= 12, },
1039 {.center_freq
= 5080, .hw_value
= 16, },
1040 {.center_freq
= 5170, .hw_value
= 34, },
1041 {.center_freq
= 5190, .hw_value
= 38, },
1042 {.center_freq
= 5210, .hw_value
= 42, },
1043 {.center_freq
= 5230, .hw_value
= 46, },
1044 {.center_freq
= 5180, .hw_value
= 36, },
1045 {.center_freq
= 5200, .hw_value
= 40, },
1046 {.center_freq
= 5220, .hw_value
= 44, },
1047 {.center_freq
= 5240, .hw_value
= 48, },
1048 {.center_freq
= 5260, .hw_value
= 52, },
1049 {.center_freq
= 5280, .hw_value
= 56, },
1050 {.center_freq
= 5300, .hw_value
= 60, },
1051 {.center_freq
= 5320, .hw_value
= 64, },
1052 {.center_freq
= 5500, .hw_value
= 100, },
1053 {.center_freq
= 5520, .hw_value
= 104, },
1054 {.center_freq
= 5540, .hw_value
= 108, },
1055 {.center_freq
= 5560, .hw_value
= 112, },
1056 {.center_freq
= 5580, .hw_value
= 116, },
1057 {.center_freq
= 5600, .hw_value
= 120, },
1058 {.center_freq
= 5620, .hw_value
= 124, },
1059 {.center_freq
= 5640, .hw_value
= 128, },
1060 {.center_freq
= 5660, .hw_value
= 132, },
1061 {.center_freq
= 5680, .hw_value
= 136, },
1062 {.center_freq
= 5700, .hw_value
= 140, },
1063 {.center_freq
= 5745, .hw_value
= 149, },
1064 {.center_freq
= 5765, .hw_value
= 153, },
1065 {.center_freq
= 5785, .hw_value
= 157, },
1066 {.center_freq
= 5805, .hw_value
= 161, },
1067 {.center_freq
= 5825, .hw_value
= 165, },
1070 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
1071 .channels
= mwifiex_channels_5ghz
,
1072 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
1073 .bitrates
= mwifiex_rates
+ 4,
1074 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) - 4,
1078 /* Supported crypto cipher suits to be advertised to cfg80211 */
1079 static const u32 mwifiex_cipher_suites
[] = {
1080 WLAN_CIPHER_SUITE_WEP40
,
1081 WLAN_CIPHER_SUITE_WEP104
,
1082 WLAN_CIPHER_SUITE_TKIP
,
1083 WLAN_CIPHER_SUITE_CCMP
,
1084 WLAN_CIPHER_SUITE_AES_CMAC
,
1087 /* Supported mgmt frame types to be advertised to cfg80211 */
1088 static const struct ieee80211_txrx_stypes
1089 mwifiex_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
1090 [NL80211_IFTYPE_STATION
] = {
1091 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1092 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1093 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1094 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1096 [NL80211_IFTYPE_AP
] = {
1097 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1098 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1099 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1100 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1102 [NL80211_IFTYPE_P2P_CLIENT
] = {
1103 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1104 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1105 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1106 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1108 [NL80211_IFTYPE_P2P_GO
] = {
1109 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1110 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1111 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1112 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4),
1117 * CFG802.11 operation handler for setting bit rates.
1119 * Function configures data rates to firmware using bitrate mask
1120 * provided by cfg80211.
1122 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
,
1123 struct net_device
*dev
,
1125 const struct cfg80211_bitrate_mask
*mask
)
1127 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1128 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
1129 enum ieee80211_band band
;
1130 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1132 if (!priv
->media_connected
) {
1133 dev_err(adapter
->dev
,
1134 "Can not set Tx data rate in disconnected state\n");
1138 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1140 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
1142 /* Fill HR/DSSS rates. */
1143 if (band
== IEEE80211_BAND_2GHZ
)
1144 bitmap_rates
[0] = mask
->control
[band
].legacy
& 0x000f;
1146 /* Fill OFDM rates */
1147 if (band
== IEEE80211_BAND_2GHZ
)
1148 bitmap_rates
[1] = (mask
->control
[band
].legacy
& 0x0ff0) >> 4;
1150 bitmap_rates
[1] = mask
->control
[band
].legacy
;
1152 /* Fill HT MCS rates */
1153 bitmap_rates
[2] = mask
->control
[band
].ht_mcs
[0];
1154 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1155 bitmap_rates
[2] |= mask
->control
[band
].ht_mcs
[1] << 8;
1157 /* Fill VHT MCS rates */
1158 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
) {
1159 bitmap_rates
[10] = mask
->control
[band
].vht_mcs
[0];
1160 if (adapter
->hw_dev_mcs_support
== HT_STREAM_2X2
)
1161 bitmap_rates
[11] = mask
->control
[band
].vht_mcs
[1];
1164 return mwifiex_send_cmd(priv
, HostCmd_CMD_TX_RATE_CFG
,
1165 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
, true);
1169 * CFG802.11 operation handler for connection quality monitoring.
1171 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1174 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
1175 struct net_device
*dev
,
1176 s32 rssi_thold
, u32 rssi_hyst
)
1178 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1179 struct mwifiex_ds_misc_subsc_evt subsc_evt
;
1181 priv
->cqm_rssi_thold
= rssi_thold
;
1182 priv
->cqm_rssi_hyst
= rssi_hyst
;
1184 memset(&subsc_evt
, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt
));
1185 subsc_evt
.events
= BITMASK_BCN_RSSI_LOW
| BITMASK_BCN_RSSI_HIGH
;
1187 /* Subscribe/unsubscribe low and high rssi events */
1188 if (rssi_thold
&& rssi_hyst
) {
1189 subsc_evt
.action
= HostCmd_ACT_BITWISE_SET
;
1190 subsc_evt
.bcn_l_rssi_cfg
.abs_value
= abs(rssi_thold
);
1191 subsc_evt
.bcn_h_rssi_cfg
.abs_value
= abs(rssi_thold
);
1192 subsc_evt
.bcn_l_rssi_cfg
.evt_freq
= 1;
1193 subsc_evt
.bcn_h_rssi_cfg
.evt_freq
= 1;
1194 return mwifiex_send_cmd(priv
,
1195 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1196 0, 0, &subsc_evt
, true);
1198 subsc_evt
.action
= HostCmd_ACT_BITWISE_CLR
;
1199 return mwifiex_send_cmd(priv
,
1200 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
1201 0, 0, &subsc_evt
, true);
1207 /* cfg80211 operation handler for change_beacon.
1208 * Function retrieves and sets modified management IEs to FW.
1210 static int mwifiex_cfg80211_change_beacon(struct wiphy
*wiphy
,
1211 struct net_device
*dev
,
1212 struct cfg80211_beacon_data
*data
)
1214 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1216 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
) {
1217 wiphy_err(wiphy
, "%s: bss_type mismatched\n", __func__
);
1221 if (!priv
->bss_started
) {
1222 wiphy_err(wiphy
, "%s: bss not started\n", __func__
);
1226 if (mwifiex_set_mgmt_ies(priv
, data
)) {
1227 wiphy_err(wiphy
, "%s: setting mgmt ies failed\n", __func__
);
1234 /* cfg80211 operation handler for del_station.
1235 * Function deauthenticates station which value is provided in mac parameter.
1236 * If mac is NULL/broadcast, all stations in associated station list are
1237 * deauthenticated. If bss is not started or there are no stations in
1238 * associated stations list, no action is taken.
1241 mwifiex_cfg80211_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1244 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1245 struct mwifiex_sta_node
*sta_node
;
1246 unsigned long flags
;
1248 if (list_empty(&priv
->sta_list
) || !priv
->bss_started
)
1251 if (!mac
|| is_broadcast_ether_addr(mac
)) {
1252 wiphy_dbg(wiphy
, "%s: NULL/broadcast mac address\n", __func__
);
1253 list_for_each_entry(sta_node
, &priv
->sta_list
, list
) {
1254 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1255 HostCmd_ACT_GEN_SET
, 0,
1256 sta_node
->mac_addr
, true))
1258 mwifiex_uap_del_sta_data(priv
, sta_node
);
1261 wiphy_dbg(wiphy
, "%s: mac address %pM\n", __func__
, mac
);
1262 spin_lock_irqsave(&priv
->sta_list_spinlock
, flags
);
1263 sta_node
= mwifiex_get_sta_entry(priv
, mac
);
1264 spin_unlock_irqrestore(&priv
->sta_list_spinlock
, flags
);
1266 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_STA_DEAUTH
,
1267 HostCmd_ACT_GEN_SET
, 0,
1268 sta_node
->mac_addr
, true))
1270 mwifiex_uap_del_sta_data(priv
, sta_node
);
1278 mwifiex_cfg80211_set_antenna(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
)
1280 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1281 struct mwifiex_private
*priv
= mwifiex_get_priv(adapter
,
1282 MWIFIEX_BSS_ROLE_ANY
);
1283 struct mwifiex_ds_ant_cfg ant_cfg
;
1285 if (!tx_ant
|| !rx_ant
)
1288 if (adapter
->hw_dev_mcs_support
!= HT_STREAM_2X2
) {
1289 /* Not a MIMO chip. User should provide specific antenna number
1290 * for Tx/Rx path or enable all antennas for diversity
1292 if (tx_ant
!= rx_ant
)
1295 if ((tx_ant
& (tx_ant
- 1)) &&
1296 (tx_ant
!= BIT(adapter
->number_of_antenna
) - 1))
1299 if ((tx_ant
== BIT(adapter
->number_of_antenna
) - 1) &&
1300 (priv
->adapter
->number_of_antenna
> 1)) {
1301 tx_ant
= RF_ANTENNA_AUTO
;
1302 rx_ant
= RF_ANTENNA_AUTO
;
1305 struct ieee80211_sta_ht_cap
*ht_info
;
1307 enum ieee80211_band band
;
1309 if ((tx_ant
== 0x1 && rx_ant
== 0x1)) {
1310 adapter
->user_dev_mcs_support
= HT_STREAM_1X1
;
1311 if (adapter
->is_hw_11ac_capable
)
1312 adapter
->usr_dot_11ac_mcs_support
=
1313 MWIFIEX_11AC_MCS_MAP_1X1
;
1315 adapter
->user_dev_mcs_support
= HT_STREAM_2X2
;
1316 if (adapter
->is_hw_11ac_capable
)
1317 adapter
->usr_dot_11ac_mcs_support
=
1318 MWIFIEX_11AC_MCS_MAP_2X2
;
1321 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
1322 if (!adapter
->wiphy
->bands
[band
])
1325 ht_info
= &adapter
->wiphy
->bands
[band
]->ht_cap
;
1327 GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
1328 memset(&ht_info
->mcs
, 0, adapter
->number_of_antenna
);
1329 memset(&ht_info
->mcs
, 0xff, rx_mcs_supp
);
1333 ant_cfg
.tx_ant
= tx_ant
;
1334 ant_cfg
.rx_ant
= rx_ant
;
1336 return mwifiex_send_cmd(priv
, HostCmd_CMD_RF_ANTENNA
,
1337 HostCmd_ACT_GEN_SET
, 0, &ant_cfg
, true);
1340 /* cfg80211 operation handler for stop ap.
1341 * Function stops BSS running at uAP interface.
1343 static int mwifiex_cfg80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
1345 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1347 if (mwifiex_del_mgmt_ies(priv
))
1348 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
1350 priv
->ap_11n_enabled
= 0;
1352 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1353 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1354 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1361 /* cfg80211 operation handler for start_ap.
1362 * Function sets beacon period, DTIM period, SSID and security into
1363 * AP config structure.
1364 * AP is configured with these settings and BSS is started.
1366 static int mwifiex_cfg80211_start_ap(struct wiphy
*wiphy
,
1367 struct net_device
*dev
,
1368 struct cfg80211_ap_settings
*params
)
1370 struct mwifiex_uap_bss_param
*bss_cfg
;
1371 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1372 u8 config_bands
= 0;
1374 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_UAP
)
1376 if (mwifiex_set_mgmt_ies(priv
, ¶ms
->beacon
))
1379 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
), GFP_KERNEL
);
1383 mwifiex_set_sys_config_invalid_data(bss_cfg
);
1385 if (params
->beacon_interval
)
1386 bss_cfg
->beacon_period
= params
->beacon_interval
;
1387 if (params
->dtim_period
)
1388 bss_cfg
->dtim_period
= params
->dtim_period
;
1390 if (params
->ssid
&& params
->ssid_len
) {
1391 memcpy(bss_cfg
->ssid
.ssid
, params
->ssid
, params
->ssid_len
);
1392 bss_cfg
->ssid
.ssid_len
= params
->ssid_len
;
1395 switch (params
->hidden_ssid
) {
1396 case NL80211_HIDDEN_SSID_NOT_IN_USE
:
1397 bss_cfg
->bcast_ssid_ctl
= 1;
1399 case NL80211_HIDDEN_SSID_ZERO_LEN
:
1400 bss_cfg
->bcast_ssid_ctl
= 0;
1402 case NL80211_HIDDEN_SSID_ZERO_CONTENTS
:
1403 /* firmware doesn't support this type of hidden SSID */
1409 bss_cfg
->channel
= ieee80211_frequency_to_channel(
1410 params
->chandef
.chan
->center_freq
);
1412 /* Set appropriate bands */
1413 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
1414 bss_cfg
->band_cfg
= BAND_CONFIG_BG
;
1415 config_bands
= BAND_B
| BAND_G
;
1417 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_20_NOHT
)
1418 config_bands
|= BAND_GN
;
1420 bss_cfg
->band_cfg
= BAND_CONFIG_A
;
1421 config_bands
= BAND_A
;
1423 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_20_NOHT
)
1424 config_bands
|= BAND_AN
;
1426 if (params
->chandef
.width
> NL80211_CHAN_WIDTH_40
)
1427 config_bands
|= BAND_AAC
;
1430 if (!((config_bands
| priv
->adapter
->fw_bands
) &
1431 ~priv
->adapter
->fw_bands
))
1432 priv
->adapter
->config_bands
= config_bands
;
1434 mwifiex_set_uap_rates(bss_cfg
, params
);
1435 mwifiex_send_domain_info_cmd_fw(wiphy
);
1437 if (mwifiex_set_secure_params(priv
, bss_cfg
, params
)) {
1439 wiphy_err(wiphy
, "Failed to parse secuirty parameters!\n");
1443 mwifiex_set_ht_params(priv
, bss_cfg
, params
);
1445 if (priv
->adapter
->is_hw_11ac_capable
) {
1446 mwifiex_set_vht_params(priv
, bss_cfg
, params
);
1447 mwifiex_set_vht_width(priv
, params
->chandef
.width
,
1448 priv
->ap_11ac_enabled
);
1451 if (priv
->ap_11ac_enabled
)
1452 mwifiex_set_11ac_ba_params(priv
);
1454 mwifiex_set_ba_params(priv
);
1456 mwifiex_set_wmm_params(priv
, bss_cfg
, params
);
1458 if (params
->inactivity_timeout
> 0) {
1459 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1460 bss_cfg
->sta_ao_timer
= 10 * params
->inactivity_timeout
;
1461 bss_cfg
->ps_sta_ao_timer
= 10 * params
->inactivity_timeout
;
1464 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1465 HostCmd_ACT_GEN_SET
, 0, NULL
, true)) {
1466 wiphy_err(wiphy
, "Failed to stop the BSS\n");
1471 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
1472 HostCmd_ACT_GEN_SET
,
1473 UAP_BSS_PARAMS_I
, bss_cfg
, false)) {
1474 wiphy_err(wiphy
, "Failed to set the SSID\n");
1481 if (mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_START
,
1482 HostCmd_ACT_GEN_SET
, 0, NULL
, false)) {
1483 wiphy_err(wiphy
, "Failed to start the BSS\n");
1487 if (priv
->sec_info
.wep_enabled
)
1488 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
1490 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
1492 if (mwifiex_send_cmd(priv
, HostCmd_CMD_MAC_CONTROL
,
1493 HostCmd_ACT_GEN_SET
, 0,
1494 &priv
->curr_pkt_filter
, true))
1501 * CFG802.11 operation handler for disconnection request.
1503 * This function does not work when there is already a disconnection
1504 * procedure going on.
1507 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1510 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1512 if (mwifiex_deauthenticate(priv
, NULL
))
1515 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
1516 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
1518 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1519 priv
->hs2_enabled
= false;
1525 * This function informs the CFG802.11 subsystem of a new IBSS.
1527 * The following information are sent to the CFG802.11 subsystem
1528 * to register the new IBSS. If we do not register the new IBSS,
1529 * a kernel panic will result.
1535 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
1537 struct ieee80211_channel
*chan
;
1538 struct mwifiex_bss_info bss_info
;
1539 struct cfg80211_bss
*bss
;
1541 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
1542 enum ieee80211_band band
;
1544 if (mwifiex_get_bss_info(priv
, &bss_info
))
1547 ie_buf
[0] = WLAN_EID_SSID
;
1548 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
1550 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
1551 &bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
);
1552 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
1554 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1555 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
1556 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
1559 bss
= cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
1560 CFG80211_BSS_FTYPE_UNKNOWN
,
1561 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
1562 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
1563 cfg80211_put_bss(priv
->wdev
->wiphy
, bss
);
1564 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
1570 * This function connects with a BSS.
1572 * This function handles both Infra and Ad-Hoc modes. It also performs
1573 * validity checking on the provided parameters, disconnects from the
1574 * current BSS (if any), sets up the association/scan parameters,
1575 * including security settings, and performs specific SSID scan before
1576 * trying to connect.
1578 * For Infra mode, the function returns failure if the specified SSID
1579 * is not found in scan table. However, for Ad-Hoc mode, it can create
1580 * the IBSS if it does not exist. On successful completion in either case,
1581 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1584 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
,
1585 const u8
*ssid
, const u8
*bssid
, int mode
,
1586 struct ieee80211_channel
*channel
,
1587 struct cfg80211_connect_params
*sme
, bool privacy
)
1589 struct cfg80211_ssid req_ssid
;
1590 int ret
, auth_type
= 0;
1591 struct cfg80211_bss
*bss
= NULL
;
1592 u8 is_scanning_required
= 0;
1594 memset(&req_ssid
, 0, sizeof(struct cfg80211_ssid
));
1596 req_ssid
.ssid_len
= ssid_len
;
1597 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1598 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1602 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1603 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1604 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1608 /* As this is new association, clear locally stored
1609 * keys and security related flags */
1610 priv
->sec_info
.wpa_enabled
= false;
1611 priv
->sec_info
.wpa2_enabled
= false;
1612 priv
->wep_key_curr_index
= 0;
1613 priv
->sec_info
.encryption_mode
= 0;
1614 priv
->sec_info
.is_authtype_auto
= 0;
1615 ret
= mwifiex_set_encode(priv
, NULL
, NULL
, 0, 0, NULL
, 1);
1617 if (mode
== NL80211_IFTYPE_ADHOC
) {
1618 /* "privacy" is set only for ad-hoc mode */
1621 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1622 * the firmware can find a matching network from the
1623 * scan. The cfg80211 does not give us the encryption
1624 * mode at this stage so just setting it to WEP here.
1626 priv
->sec_info
.encryption_mode
=
1627 WLAN_CIPHER_SUITE_WEP104
;
1628 priv
->sec_info
.authentication_mode
=
1629 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1635 /* Now handle infra mode. "sme" is valid for infra mode only */
1636 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
) {
1637 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1638 priv
->sec_info
.is_authtype_auto
= 1;
1640 auth_type
= sme
->auth_type
;
1643 if (sme
->crypto
.n_ciphers_pairwise
) {
1644 priv
->sec_info
.encryption_mode
=
1645 sme
->crypto
.ciphers_pairwise
[0];
1646 priv
->sec_info
.authentication_mode
= auth_type
;
1649 if (sme
->crypto
.cipher_group
) {
1650 priv
->sec_info
.encryption_mode
= sme
->crypto
.cipher_group
;
1651 priv
->sec_info
.authentication_mode
= auth_type
;
1654 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1657 if (mwifiex_is_alg_wep(priv
->sec_info
.encryption_mode
)) {
1658 dev_dbg(priv
->adapter
->dev
,
1659 "info: setting wep encryption"
1660 " with key len %d\n", sme
->key_len
);
1661 priv
->wep_key_curr_index
= sme
->key_idx
;
1662 ret
= mwifiex_set_encode(priv
, NULL
, sme
->key
,
1663 sme
->key_len
, sme
->key_idx
,
1669 * Scan entries are valid for some time (15 sec). So we can save one
1670 * active scan time if we just try cfg80211_get_bss first. If it fails
1671 * then request scan and cfg80211_get_bss() again for final output.
1674 if (is_scanning_required
) {
1675 /* Do specific SSID scanning */
1676 if (mwifiex_request_scan(priv
, &req_ssid
)) {
1677 dev_err(priv
->adapter
->dev
, "scan error\n");
1682 /* Find the BSS we want using available scan results */
1683 if (mode
== NL80211_IFTYPE_ADHOC
)
1684 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1685 bssid
, ssid
, ssid_len
,
1686 WLAN_CAPABILITY_IBSS
,
1687 WLAN_CAPABILITY_IBSS
);
1689 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1690 bssid
, ssid
, ssid_len
,
1691 WLAN_CAPABILITY_ESS
,
1692 WLAN_CAPABILITY_ESS
);
1695 if (is_scanning_required
) {
1696 dev_warn(priv
->adapter
->dev
,
1697 "assoc: requested bss not found in scan results\n");
1700 is_scanning_required
= 1;
1702 dev_dbg(priv
->adapter
->dev
,
1703 "info: trying to associate to '%s' bssid %pM\n",
1704 (char *) req_ssid
.ssid
, bss
->bssid
);
1705 memcpy(&priv
->cfg_bssid
, bss
->bssid
, ETH_ALEN
);
1710 ret
= mwifiex_bss_start(priv
, bss
, &req_ssid
);
1714 if (mode
== NL80211_IFTYPE_ADHOC
) {
1715 /* Inform the BSS information to kernel, otherwise
1716 * kernel will give a panic after successful assoc */
1717 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
1725 * CFG802.11 operation handler for association request.
1727 * This function does not work when the current mode is set to Ad-Hoc, or
1728 * when there is already an association procedure going on. The given BSS
1729 * information is used to associate.
1732 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1733 struct cfg80211_connect_params
*sme
)
1735 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1738 if (GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
) {
1740 "%s: reject infra assoc request in non-STA role\n",
1745 if (priv
->wdev
&& priv
->wdev
->current_bss
) {
1746 wiphy_warn(wiphy
, "%s: already connected\n", dev
->name
);
1750 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
1751 (char *) sme
->ssid
, sme
->bssid
);
1753 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
1754 priv
->bss_mode
, sme
->channel
, sme
, 0);
1756 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
, NULL
, 0,
1757 NULL
, 0, WLAN_STATUS_SUCCESS
,
1759 dev_dbg(priv
->adapter
->dev
,
1760 "info: associated to bssid %pM successfully\n",
1763 dev_dbg(priv
->adapter
->dev
,
1764 "info: association to bssid %pM failed\n",
1766 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1769 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1770 NULL
, 0, NULL
, 0, ret
,
1773 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1775 WLAN_STATUS_UNSPECIFIED_FAILURE
,
1783 * This function sets following parameters for ibss network.
1787 * - secondary channel offset
1789 static int mwifiex_set_ibss_params(struct mwifiex_private
*priv
,
1790 struct cfg80211_ibss_params
*params
)
1792 struct wiphy
*wiphy
= priv
->wdev
->wiphy
;
1793 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1795 u8 config_bands
= 0;
1797 if (params
->chandef
.chan
->band
== IEEE80211_BAND_2GHZ
) {
1798 if (!params
->basic_rates
) {
1799 config_bands
= BAND_B
| BAND_G
;
1801 for (i
= 0; i
< mwifiex_band_2ghz
.n_bitrates
; i
++) {
1803 * Rates below 6 Mbps in the table are CCK
1804 * rates; 802.11b and from 6 they are OFDM;
1807 if (mwifiex_rates
[i
].bitrate
== 60) {
1813 if (params
->basic_rates
< index
) {
1814 config_bands
= BAND_B
;
1816 config_bands
= BAND_G
;
1817 if (params
->basic_rates
% index
)
1818 config_bands
|= BAND_B
;
1822 if (cfg80211_get_chandef_type(¶ms
->chandef
) !=
1824 config_bands
|= BAND_G
| BAND_GN
;
1826 if (cfg80211_get_chandef_type(¶ms
->chandef
) ==
1828 config_bands
= BAND_A
;
1830 config_bands
= BAND_AN
| BAND_A
;
1833 if (!((config_bands
| adapter
->fw_bands
) & ~adapter
->fw_bands
)) {
1834 adapter
->config_bands
= config_bands
;
1835 adapter
->adhoc_start_band
= config_bands
;
1837 if ((config_bands
& BAND_GN
) || (config_bands
& BAND_AN
))
1838 adapter
->adhoc_11n_enabled
= true;
1840 adapter
->adhoc_11n_enabled
= false;
1843 adapter
->sec_chan_offset
=
1844 mwifiex_chan_type_to_sec_chan_offset(
1845 cfg80211_get_chandef_type(¶ms
->chandef
));
1846 priv
->adhoc_channel
= ieee80211_frequency_to_channel(
1847 params
->chandef
.chan
->center_freq
);
1849 wiphy_dbg(wiphy
, "info: set ibss band %d, chan %d, chan offset %d\n",
1850 config_bands
, priv
->adhoc_channel
, adapter
->sec_chan_offset
);
1856 * CFG802.11 operation handler to join an IBSS.
1858 * This function does not work in any mode other than Ad-Hoc, or if
1859 * a join operation is already in progress.
1862 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1863 struct cfg80211_ibss_params
*params
)
1865 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1868 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
1869 wiphy_err(wiphy
, "request to join ibss received "
1870 "when station is not in ibss mode\n");
1874 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
1875 (char *) params
->ssid
, params
->bssid
);
1877 mwifiex_set_ibss_params(priv
, params
);
1879 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
1880 params
->bssid
, priv
->bss_mode
,
1881 params
->chandef
.chan
, NULL
,
1885 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
,
1886 params
->chandef
.chan
, GFP_KERNEL
);
1887 dev_dbg(priv
->adapter
->dev
,
1888 "info: joined/created adhoc network with bssid"
1889 " %pM successfully\n", priv
->cfg_bssid
);
1891 dev_dbg(priv
->adapter
->dev
,
1892 "info: failed creating/joining adhoc network\n");
1899 * CFG802.11 operation handler to leave an IBSS.
1901 * This function does not work if a leave operation is
1902 * already in progress.
1905 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1907 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1909 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
1911 if (mwifiex_deauthenticate(priv
, NULL
))
1914 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1920 * CFG802.11 operation handler for scan request.
1922 * This function issues a scan request to the firmware based upon
1923 * the user specified scan configuration. On successfull completion,
1924 * it also informs the results.
1927 mwifiex_cfg80211_scan(struct wiphy
*wiphy
,
1928 struct cfg80211_scan_request
*request
)
1930 struct net_device
*dev
= request
->wdev
->netdev
;
1931 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1933 struct ieee80211_channel
*chan
;
1934 struct ieee_types_header
*ie
;
1935 struct mwifiex_user_scan_cfg
*user_scan_cfg
;
1937 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
1939 /* Block scan request if scan operation or scan cleanup when interface
1940 * is disabled is in process
1942 if (priv
->scan_request
|| priv
->scan_aborting
) {
1943 dev_err(priv
->adapter
->dev
, "cmd: Scan already in process..\n");
1947 user_scan_cfg
= kzalloc(sizeof(*user_scan_cfg
), GFP_KERNEL
);
1951 priv
->scan_request
= request
;
1953 user_scan_cfg
->num_ssids
= request
->n_ssids
;
1954 user_scan_cfg
->ssid_list
= request
->ssids
;
1956 if (request
->ie
&& request
->ie_len
) {
1958 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1959 if (priv
->vs_ie
[i
].mask
!= MWIFIEX_VSIE_MASK_CLEAR
)
1961 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_SCAN
;
1962 ie
= (struct ieee_types_header
*)(request
->ie
+ offset
);
1963 memcpy(&priv
->vs_ie
[i
].ie
, ie
, sizeof(*ie
) + ie
->len
);
1964 offset
+= sizeof(*ie
) + ie
->len
;
1966 if (offset
>= request
->ie_len
)
1971 for (i
= 0; i
< min_t(u32
, request
->n_channels
,
1972 MWIFIEX_USER_SCAN_CHAN_MAX
); i
++) {
1973 chan
= request
->channels
[i
];
1974 user_scan_cfg
->chan_list
[i
].chan_number
= chan
->hw_value
;
1975 user_scan_cfg
->chan_list
[i
].radio_type
= chan
->band
;
1977 if ((chan
->flags
& IEEE80211_CHAN_NO_IR
) || !request
->n_ssids
)
1978 user_scan_cfg
->chan_list
[i
].scan_type
=
1979 MWIFIEX_SCAN_TYPE_PASSIVE
;
1981 user_scan_cfg
->chan_list
[i
].scan_type
=
1982 MWIFIEX_SCAN_TYPE_ACTIVE
;
1984 user_scan_cfg
->chan_list
[i
].scan_time
= 0;
1987 if (priv
->adapter
->scan_chan_gap_enabled
&&
1988 mwifiex_is_any_intf_active(priv
))
1989 user_scan_cfg
->scan_chan_gap
=
1990 priv
->adapter
->scan_chan_gap_time
;
1992 ret
= mwifiex_scan_networks(priv
, user_scan_cfg
);
1993 kfree(user_scan_cfg
);
1995 dev_err(priv
->adapter
->dev
, "scan failed: %d\n", ret
);
1996 priv
->scan_aborting
= false;
1997 priv
->scan_request
= NULL
;
2001 if (request
->ie
&& request
->ie_len
) {
2002 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
2003 if (priv
->vs_ie
[i
].mask
== MWIFIEX_VSIE_MASK_SCAN
) {
2004 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_CLEAR
;
2005 memset(&priv
->vs_ie
[i
].ie
, 0,
2006 MWIFIEX_MAX_VSIE_LEN
);
2013 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap
*vht_info
,
2014 struct mwifiex_private
*priv
)
2016 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2018 vht_info
->vht_supported
= true;
2020 vht_info
->cap
= adapter
->hw_dot_11ac_dev_cap
;
2021 /* Update MCS support for VHT */
2022 vht_info
->vht_mcs
.rx_mcs_map
= cpu_to_le16(
2023 adapter
->hw_dot_11ac_mcs_support
& 0xFFFF);
2024 vht_info
->vht_mcs
.rx_highest
= 0;
2025 vht_info
->vht_mcs
.tx_mcs_map
= cpu_to_le16(
2026 adapter
->hw_dot_11ac_mcs_support
>> 16);
2027 vht_info
->vht_mcs
.tx_highest
= 0;
2031 * This function sets up the CFG802.11 specific HT capability fields
2032 * with default values.
2034 * The following default values are set -
2035 * - HT Supported = True
2036 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2037 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2038 * - HT Capabilities supported by firmware
2039 * - MCS information, Rx mask = 0xff
2040 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2043 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
2044 struct mwifiex_private
*priv
)
2047 struct ieee80211_mcs_info mcs_set
;
2048 u8
*mcs
= (u8
*)&mcs_set
;
2049 struct mwifiex_adapter
*adapter
= priv
->adapter
;
2051 ht_info
->ht_supported
= true;
2052 ht_info
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
2053 ht_info
->ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
2055 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
2057 /* Fill HT capability information */
2058 if (ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2059 ht_info
->cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2061 ht_info
->cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
2063 if (ISSUPP_SHORTGI20(adapter
->hw_dot_11n_dev_cap
))
2064 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_20
;
2066 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_20
;
2068 if (ISSUPP_SHORTGI40(adapter
->hw_dot_11n_dev_cap
))
2069 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_40
;
2071 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_40
;
2073 if (adapter
->user_dev_mcs_support
== HT_STREAM_2X2
)
2074 ht_info
->cap
|= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2076 ht_info
->cap
|= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
2078 if (ISSUPP_TXSTBC(adapter
->hw_dot_11n_dev_cap
))
2079 ht_info
->cap
|= IEEE80211_HT_CAP_TX_STBC
;
2081 ht_info
->cap
&= ~IEEE80211_HT_CAP_TX_STBC
;
2083 if (ISSUPP_GREENFIELD(adapter
->hw_dot_11n_dev_cap
))
2084 ht_info
->cap
|= IEEE80211_HT_CAP_GRN_FLD
;
2086 ht_info
->cap
&= ~IEEE80211_HT_CAP_GRN_FLD
;
2088 if (ISENABLED_40MHZ_INTOLERANT(adapter
->hw_dot_11n_dev_cap
))
2089 ht_info
->cap
|= IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2091 ht_info
->cap
&= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT
;
2093 if (ISSUPP_RXLDPC(adapter
->hw_dot_11n_dev_cap
))
2094 ht_info
->cap
|= IEEE80211_HT_CAP_LDPC_CODING
;
2096 ht_info
->cap
&= ~IEEE80211_HT_CAP_LDPC_CODING
;
2098 ht_info
->cap
&= ~IEEE80211_HT_CAP_MAX_AMSDU
;
2099 ht_info
->cap
|= IEEE80211_HT_CAP_SM_PS
;
2101 rx_mcs_supp
= GET_RXMCSSUPP(adapter
->user_dev_mcs_support
);
2102 /* Set MCS for 1x1/2x2 */
2103 memset(mcs
, 0xff, rx_mcs_supp
);
2104 /* Clear all the other values */
2105 memset(&mcs
[rx_mcs_supp
], 0,
2106 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
2107 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
2108 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
2109 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2110 SETHT_MCS32(mcs_set
.rx_mask
);
2112 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
2114 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
2118 * create a new virtual interface with the given name
2120 struct wireless_dev
*mwifiex_add_virtual_intf(struct wiphy
*wiphy
,
2122 enum nl80211_iftype type
,
2124 struct vif_params
*params
)
2126 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2127 struct mwifiex_private
*priv
;
2128 struct net_device
*dev
;
2130 struct wireless_dev
*wdev
;
2133 return ERR_PTR(-EFAULT
);
2136 case NL80211_IFTYPE_UNSPECIFIED
:
2137 case NL80211_IFTYPE_STATION
:
2138 case NL80211_IFTYPE_ADHOC
:
2139 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
2140 if (priv
->bss_mode
) {
2142 "cannot create multiple sta/adhoc ifaces\n");
2143 return ERR_PTR(-EINVAL
);
2146 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2148 return ERR_PTR(-ENOMEM
);
2150 wdev
->wiphy
= wiphy
;
2152 wdev
->iftype
= NL80211_IFTYPE_STATION
;
2154 if (type
== NL80211_IFTYPE_UNSPECIFIED
)
2155 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
2157 priv
->bss_mode
= type
;
2159 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
2160 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2161 priv
->bss_priority
= 0;
2162 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2166 case NL80211_IFTYPE_AP
:
2167 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_UAP
];
2169 if (priv
->bss_mode
) {
2170 wiphy_err(wiphy
, "Can't create multiple AP interfaces");
2171 return ERR_PTR(-EINVAL
);
2174 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2176 return ERR_PTR(-ENOMEM
);
2179 wdev
->wiphy
= wiphy
;
2180 wdev
->iftype
= NL80211_IFTYPE_AP
;
2182 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
2183 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2184 priv
->bss_priority
= 0;
2185 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
2186 priv
->bss_started
= 0;
2188 priv
->bss_mode
= type
;
2191 case NL80211_IFTYPE_P2P_CLIENT
:
2192 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_P2P
];
2194 if (priv
->bss_mode
) {
2195 wiphy_err(wiphy
, "Can't create multiple P2P ifaces");
2196 return ERR_PTR(-EINVAL
);
2199 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
2201 return ERR_PTR(-ENOMEM
);
2204 wdev
->wiphy
= wiphy
;
2206 /* At start-up, wpa_supplicant tries to change the interface
2207 * to NL80211_IFTYPE_STATION if it is not managed mode.
2209 wdev
->iftype
= NL80211_IFTYPE_P2P_CLIENT
;
2210 priv
->bss_mode
= NL80211_IFTYPE_P2P_CLIENT
;
2212 /* Setting bss_type to P2P tells firmware that this interface
2213 * is receiving P2P peers found during find phase and doing
2214 * action frame handshake.
2216 priv
->bss_type
= MWIFIEX_BSS_TYPE_P2P
;
2218 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
2219 priv
->bss_priority
= MWIFIEX_BSS_ROLE_STA
;
2220 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
2221 priv
->bss_started
= 0;
2224 if (mwifiex_cfg80211_init_p2p_client(priv
)) {
2225 wdev
= ERR_PTR(-EFAULT
);
2231 wiphy_err(wiphy
, "type not supported\n");
2232 return ERR_PTR(-EINVAL
);
2235 dev
= alloc_netdev_mqs(sizeof(struct mwifiex_private
*), name
,
2236 NET_NAME_UNKNOWN
, ether_setup
,
2237 IEEE80211_NUM_ACS
, 1);
2239 wiphy_err(wiphy
, "no memory available for netdevice\n");
2240 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2241 wdev
= ERR_PTR(-ENOMEM
);
2245 mwifiex_init_priv_params(priv
, dev
);
2248 mwifiex_setup_ht_caps(&wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
, priv
);
2249 if (adapter
->is_hw_11ac_capable
)
2250 mwifiex_setup_vht_caps(
2251 &wiphy
->bands
[IEEE80211_BAND_2GHZ
]->vht_cap
, priv
);
2253 if (adapter
->config_bands
& BAND_A
)
2254 mwifiex_setup_ht_caps(
2255 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
, priv
);
2257 if ((adapter
->config_bands
& BAND_A
) && adapter
->is_hw_11ac_capable
)
2258 mwifiex_setup_vht_caps(
2259 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->vht_cap
, priv
);
2261 dev_net_set(dev
, wiphy_net(wiphy
));
2262 dev
->ieee80211_ptr
= priv
->wdev
;
2263 dev
->ieee80211_ptr
->iftype
= priv
->bss_mode
;
2264 memcpy(dev
->dev_addr
, wiphy
->perm_addr
, ETH_ALEN
);
2265 SET_NETDEV_DEV(dev
, wiphy_dev(wiphy
));
2267 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
2268 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
2269 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
2270 dev
->ethtool_ops
= &mwifiex_ethtool_ops
;
2272 mdev_priv
= netdev_priv(dev
);
2273 *((unsigned long *) mdev_priv
) = (unsigned long) priv
;
2275 SET_NETDEV_DEV(dev
, adapter
->dev
);
2277 /* Register network device */
2278 if (register_netdevice(dev
)) {
2279 wiphy_err(wiphy
, "cannot register virtual network device\n");
2281 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2282 priv
->netdev
= NULL
;
2283 wdev
= ERR_PTR(-EFAULT
);
2287 sema_init(&priv
->async_sem
, 1);
2289 dev_dbg(adapter
->dev
, "info: %s: Marvell 802.11 Adapter\n", dev
->name
);
2291 #ifdef CONFIG_DEBUG_FS
2292 mwifiex_dev_debugfs_init(priv
);
2303 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf
);
2306 * del_virtual_intf: remove the virtual interface determined by dev
2308 int mwifiex_del_virtual_intf(struct wiphy
*wiphy
, struct wireless_dev
*wdev
)
2310 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(wdev
->netdev
);
2312 #ifdef CONFIG_DEBUG_FS
2313 mwifiex_dev_debugfs_remove(priv
);
2316 mwifiex_stop_net_dev_queue(priv
->netdev
, priv
->adapter
);
2318 if (netif_carrier_ok(priv
->netdev
))
2319 netif_carrier_off(priv
->netdev
);
2321 if (wdev
->netdev
->reg_state
== NETREG_REGISTERED
)
2322 unregister_netdevice(wdev
->netdev
);
2324 /* Clear the priv in adapter */
2325 priv
->netdev
->ieee80211_ptr
= NULL
;
2326 priv
->netdev
= NULL
;
2330 priv
->media_connected
= false;
2332 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
2336 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf
);
2339 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern
*pat
, s8
*byte_seq
,
2342 int j
, k
, valid_byte_cnt
= 0;
2343 bool dont_care_byte
= false;
2345 for (j
= 0; j
< DIV_ROUND_UP(pat
->pattern_len
, 8); j
++) {
2346 for (k
= 0; k
< 8; k
++) {
2347 if (pat
->mask
[j
] & 1 << k
) {
2348 memcpy(byte_seq
+ valid_byte_cnt
,
2349 &pat
->pattern
[j
* 8 + k
], 1);
2355 dont_care_byte
= true;
2358 if (valid_byte_cnt
> max_byte_seq
)
2363 byte_seq
[max_byte_seq
] = valid_byte_cnt
;
2369 static int mwifiex_cfg80211_suspend(struct wiphy
*wiphy
,
2370 struct cfg80211_wowlan
*wowlan
)
2372 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2373 struct mwifiex_ds_mef_cfg mef_cfg
;
2374 struct mwifiex_mef_entry
*mef_entry
;
2375 int i
, filt_num
= 0, ret
;
2376 bool first_pat
= true;
2377 u8 byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
+ 1];
2378 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2379 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2380 struct mwifiex_private
*priv
=
2381 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2384 dev_warn(adapter
->dev
, "None of the WOWLAN triggers enabled\n");
2388 if (!priv
->media_connected
) {
2389 dev_warn(adapter
->dev
,
2390 "Can not configure WOWLAN in disconnected state\n");
2394 mef_entry
= kzalloc(sizeof(*mef_entry
), GFP_KERNEL
);
2398 memset(&mef_cfg
, 0, sizeof(mef_cfg
));
2399 mef_cfg
.num_entries
= 1;
2400 mef_cfg
.mef_entry
= mef_entry
;
2401 mef_entry
->mode
= MEF_MODE_HOST_SLEEP
;
2402 mef_entry
->action
= MEF_ACTION_ALLOW_AND_WAKEUP_HOST
;
2404 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
2405 memset(byte_seq
, 0, sizeof(byte_seq
));
2406 if (!mwifiex_is_pattern_supported(&wowlan
->patterns
[i
],
2408 MWIFIEX_MEF_MAX_BYTESEQ
)) {
2409 wiphy_err(wiphy
, "Pattern not supported\n");
2414 if (!wowlan
->patterns
[i
].pkt_offset
) {
2415 if (!(byte_seq
[0] & 0x01) &&
2416 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 1)) {
2417 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2419 } else if (is_broadcast_ether_addr(byte_seq
)) {
2420 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_BROADCAST
;
2422 } else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2423 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 2)) ||
2424 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2425 (byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] == 3))) {
2426 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_MULTICAST
;
2431 mef_entry
->filter
[filt_num
].repeat
= 1;
2432 mef_entry
->filter
[filt_num
].offset
=
2433 wowlan
->patterns
[i
].pkt_offset
;
2434 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, byte_seq
,
2436 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2441 mef_entry
->filter
[filt_num
].filt_action
= TYPE_AND
;
2446 if (wowlan
->magic_pkt
) {
2447 mef_cfg
.criteria
|= MWIFIEX_CRITERIA_UNICAST
;
2448 mef_entry
->filter
[filt_num
].repeat
= 16;
2449 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, priv
->curr_addr
,
2451 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2453 mef_entry
->filter
[filt_num
].offset
= 28;
2454 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2456 mef_entry
->filter
[filt_num
].filt_action
= TYPE_OR
;
2459 mef_entry
->filter
[filt_num
].repeat
= 16;
2460 memcpy(mef_entry
->filter
[filt_num
].byte_seq
, priv
->curr_addr
,
2462 mef_entry
->filter
[filt_num
].byte_seq
[MWIFIEX_MEF_MAX_BYTESEQ
] =
2464 mef_entry
->filter
[filt_num
].offset
= 56;
2465 mef_entry
->filter
[filt_num
].filt_type
= TYPE_EQ
;
2466 mef_entry
->filter
[filt_num
].filt_action
= TYPE_OR
;
2469 if (!mef_cfg
.criteria
)
2470 mef_cfg
.criteria
= MWIFIEX_CRITERIA_BROADCAST
|
2471 MWIFIEX_CRITERIA_UNICAST
|
2472 MWIFIEX_CRITERIA_MULTICAST
;
2474 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_MEF_CFG
,
2475 HostCmd_ACT_GEN_SET
, 0, &mef_cfg
, true);
2481 static int mwifiex_cfg80211_resume(struct wiphy
*wiphy
)
2486 static void mwifiex_cfg80211_set_wakeup(struct wiphy
*wiphy
,
2489 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2491 device_set_wakeup_enable(adapter
->dev
, enabled
);
2495 static int mwifiex_get_coalesce_pkt_type(u8
*byte_seq
)
2497 const u8 ipv4_mc_mac
[] = {0x33, 0x33};
2498 const u8 ipv6_mc_mac
[] = {0x01, 0x00, 0x5e};
2499 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff};
2501 if ((byte_seq
[0] & 0x01) &&
2502 (byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 1))
2503 return PACKET_TYPE_UNICAST
;
2504 else if (!memcmp(byte_seq
, bc_mac
, 4))
2505 return PACKET_TYPE_BROADCAST
;
2506 else if ((!memcmp(byte_seq
, ipv4_mc_mac
, 2) &&
2507 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 2) ||
2508 (!memcmp(byte_seq
, ipv6_mc_mac
, 3) &&
2509 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
] == 3))
2510 return PACKET_TYPE_MULTICAST
;
2516 mwifiex_fill_coalesce_rule_info(struct mwifiex_private
*priv
,
2517 struct cfg80211_coalesce_rules
*crule
,
2518 struct mwifiex_coalesce_rule
*mrule
)
2520 u8 byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
+ 1];
2521 struct filt_field_param
*param
;
2524 mrule
->max_coalescing_delay
= crule
->delay
;
2526 param
= mrule
->params
;
2528 for (i
= 0; i
< crule
->n_patterns
; i
++) {
2529 memset(byte_seq
, 0, sizeof(byte_seq
));
2530 if (!mwifiex_is_pattern_supported(&crule
->patterns
[i
],
2532 MWIFIEX_COALESCE_MAX_BYTESEQ
)) {
2533 dev_err(priv
->adapter
->dev
, "Pattern not supported\n");
2537 if (!crule
->patterns
[i
].pkt_offset
) {
2540 pkt_type
= mwifiex_get_coalesce_pkt_type(byte_seq
);
2541 if (pkt_type
&& mrule
->pkt_type
) {
2542 dev_err(priv
->adapter
->dev
,
2543 "Multiple packet types not allowed\n");
2545 } else if (pkt_type
) {
2546 mrule
->pkt_type
= pkt_type
;
2551 if (crule
->condition
== NL80211_COALESCE_CONDITION_MATCH
)
2552 param
->operation
= RECV_FILTER_MATCH_TYPE_EQ
;
2554 param
->operation
= RECV_FILTER_MATCH_TYPE_NE
;
2556 param
->operand_len
= byte_seq
[MWIFIEX_COALESCE_MAX_BYTESEQ
];
2557 memcpy(param
->operand_byte_stream
, byte_seq
,
2558 param
->operand_len
);
2559 param
->offset
= crule
->patterns
[i
].pkt_offset
;
2562 mrule
->num_of_fields
++;
2565 if (!mrule
->pkt_type
) {
2566 dev_err(priv
->adapter
->dev
,
2567 "Packet type can not be determined\n");
2574 static int mwifiex_cfg80211_set_coalesce(struct wiphy
*wiphy
,
2575 struct cfg80211_coalesce
*coalesce
)
2577 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
2579 struct mwifiex_ds_coalesce_cfg coalesce_cfg
;
2580 struct mwifiex_private
*priv
=
2581 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
2583 memset(&coalesce_cfg
, 0, sizeof(coalesce_cfg
));
2585 dev_dbg(adapter
->dev
,
2586 "Disable coalesce and reset all previous rules\n");
2587 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
2588 HostCmd_ACT_GEN_SET
, 0,
2589 &coalesce_cfg
, true);
2592 coalesce_cfg
.num_of_rules
= coalesce
->n_rules
;
2593 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
2594 ret
= mwifiex_fill_coalesce_rule_info(priv
, &coalesce
->rules
[i
],
2595 &coalesce_cfg
.rule
[i
]);
2597 dev_err(priv
->adapter
->dev
,
2598 "Recheck the patterns provided for rule %d\n",
2604 return mwifiex_send_cmd(priv
, HostCmd_CMD_COALESCE_CFG
,
2605 HostCmd_ACT_GEN_SET
, 0, &coalesce_cfg
, true);
2608 /* cfg80211 ops handler for tdls_mgmt.
2609 * Function prepares TDLS action frame packets and forwards them to FW
2612 mwifiex_cfg80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2613 const u8
*peer
, u8 action_code
, u8 dialog_token
,
2614 u16 status_code
, u32 peer_capability
,
2615 bool initiator
, const u8
*extra_ies
,
2616 size_t extra_ies_len
)
2618 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2621 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2624 /* make sure we are in station mode and connected */
2625 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
2628 switch (action_code
) {
2629 case WLAN_TDLS_SETUP_REQUEST
:
2630 dev_dbg(priv
->adapter
->dev
,
2631 "Send TDLS Setup Request to %pM status_code=%d\n", peer
,
2633 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2634 dialog_token
, status_code
,
2635 extra_ies
, extra_ies_len
);
2637 case WLAN_TDLS_SETUP_RESPONSE
:
2638 dev_dbg(priv
->adapter
->dev
,
2639 "Send TDLS Setup Response to %pM status_code=%d\n",
2641 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2642 dialog_token
, status_code
,
2643 extra_ies
, extra_ies_len
);
2645 case WLAN_TDLS_SETUP_CONFIRM
:
2646 dev_dbg(priv
->adapter
->dev
,
2647 "Send TDLS Confirm to %pM status_code=%d\n", peer
,
2649 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2650 dialog_token
, status_code
,
2651 extra_ies
, extra_ies_len
);
2653 case WLAN_TDLS_TEARDOWN
:
2654 dev_dbg(priv
->adapter
->dev
, "Send TDLS Tear down to %pM\n",
2656 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2657 dialog_token
, status_code
,
2658 extra_ies
, extra_ies_len
);
2660 case WLAN_TDLS_DISCOVERY_REQUEST
:
2661 dev_dbg(priv
->adapter
->dev
,
2662 "Send TDLS Discovery Request to %pM\n", peer
);
2663 ret
= mwifiex_send_tdls_data_frame(priv
, peer
, action_code
,
2664 dialog_token
, status_code
,
2665 extra_ies
, extra_ies_len
);
2667 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES
:
2668 dev_dbg(priv
->adapter
->dev
,
2669 "Send TDLS Discovery Response to %pM\n", peer
);
2670 ret
= mwifiex_send_tdls_action_frame(priv
, peer
, action_code
,
2671 dialog_token
, status_code
,
2672 extra_ies
, extra_ies_len
);
2675 dev_warn(priv
->adapter
->dev
,
2676 "Unknown TDLS mgmt/action frame %pM\n", peer
);
2685 mwifiex_cfg80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2686 const u8
*peer
, enum nl80211_tdls_operation action
)
2688 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2690 if (!(wiphy
->flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
2691 !(wiphy
->flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
2694 /* make sure we are in station mode and connected */
2695 if (!(priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
&& priv
->media_connected
))
2698 dev_dbg(priv
->adapter
->dev
,
2699 "TDLS peer=%pM, oper=%d\n", peer
, action
);
2702 case NL80211_TDLS_ENABLE_LINK
:
2703 action
= MWIFIEX_TDLS_ENABLE_LINK
;
2705 case NL80211_TDLS_DISABLE_LINK
:
2706 action
= MWIFIEX_TDLS_DISABLE_LINK
;
2708 case NL80211_TDLS_TEARDOWN
:
2709 /* shouldn't happen!*/
2710 dev_warn(priv
->adapter
->dev
,
2711 "tdls_oper: teardown from driver not supported\n");
2713 case NL80211_TDLS_SETUP
:
2714 /* shouldn't happen!*/
2715 dev_warn(priv
->adapter
->dev
,
2716 "tdls_oper: setup from driver not supported\n");
2718 case NL80211_TDLS_DISCOVERY_REQ
:
2719 /* shouldn't happen!*/
2720 dev_warn(priv
->adapter
->dev
,
2721 "tdls_oper: discovery from driver not supported\n");
2724 dev_err(priv
->adapter
->dev
,
2725 "tdls_oper: operation not supported\n");
2729 return mwifiex_tdls_oper(priv
, peer
, action
);
2733 mwifiex_cfg80211_add_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2734 const u8
*mac
, struct station_parameters
*params
)
2736 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2738 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
2741 /* make sure we are in station mode and connected */
2742 if ((priv
->bss_type
!= MWIFIEX_BSS_TYPE_STA
) || !priv
->media_connected
)
2745 return mwifiex_tdls_oper(priv
, mac
, MWIFIEX_TDLS_CREATE_LINK
);
2749 mwifiex_cfg80211_change_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2751 struct station_parameters
*params
)
2754 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
2756 /* we support change_station handler only for TDLS peers*/
2757 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
2760 /* make sure we are in station mode and connected */
2761 if ((priv
->bss_type
!= MWIFIEX_BSS_TYPE_STA
) || !priv
->media_connected
)
2764 priv
->sta_params
= params
;
2766 ret
= mwifiex_tdls_oper(priv
, mac
, MWIFIEX_TDLS_CONFIG_LINK
);
2767 priv
->sta_params
= NULL
;
2772 /* station cfg80211 operations */
2773 static struct cfg80211_ops mwifiex_cfg80211_ops
= {
2774 .add_virtual_intf
= mwifiex_add_virtual_intf
,
2775 .del_virtual_intf
= mwifiex_del_virtual_intf
,
2776 .change_virtual_intf
= mwifiex_cfg80211_change_virtual_intf
,
2777 .scan
= mwifiex_cfg80211_scan
,
2778 .connect
= mwifiex_cfg80211_connect
,
2779 .disconnect
= mwifiex_cfg80211_disconnect
,
2780 .get_station
= mwifiex_cfg80211_get_station
,
2781 .dump_station
= mwifiex_cfg80211_dump_station
,
2782 .set_wiphy_params
= mwifiex_cfg80211_set_wiphy_params
,
2783 .join_ibss
= mwifiex_cfg80211_join_ibss
,
2784 .leave_ibss
= mwifiex_cfg80211_leave_ibss
,
2785 .add_key
= mwifiex_cfg80211_add_key
,
2786 .del_key
= mwifiex_cfg80211_del_key
,
2787 .mgmt_tx
= mwifiex_cfg80211_mgmt_tx
,
2788 .mgmt_frame_register
= mwifiex_cfg80211_mgmt_frame_register
,
2789 .remain_on_channel
= mwifiex_cfg80211_remain_on_channel
,
2790 .cancel_remain_on_channel
= mwifiex_cfg80211_cancel_remain_on_channel
,
2791 .set_default_key
= mwifiex_cfg80211_set_default_key
,
2792 .set_power_mgmt
= mwifiex_cfg80211_set_power_mgmt
,
2793 .set_tx_power
= mwifiex_cfg80211_set_tx_power
,
2794 .set_bitrate_mask
= mwifiex_cfg80211_set_bitrate_mask
,
2795 .start_ap
= mwifiex_cfg80211_start_ap
,
2796 .stop_ap
= mwifiex_cfg80211_stop_ap
,
2797 .change_beacon
= mwifiex_cfg80211_change_beacon
,
2798 .set_cqm_rssi_config
= mwifiex_cfg80211_set_cqm_rssi_config
,
2799 .set_antenna
= mwifiex_cfg80211_set_antenna
,
2800 .del_station
= mwifiex_cfg80211_del_station
,
2802 .suspend
= mwifiex_cfg80211_suspend
,
2803 .resume
= mwifiex_cfg80211_resume
,
2804 .set_wakeup
= mwifiex_cfg80211_set_wakeup
,
2806 .set_coalesce
= mwifiex_cfg80211_set_coalesce
,
2807 .tdls_mgmt
= mwifiex_cfg80211_tdls_mgmt
,
2808 .tdls_oper
= mwifiex_cfg80211_tdls_oper
,
2809 .add_station
= mwifiex_cfg80211_add_station
,
2810 .change_station
= mwifiex_cfg80211_change_station
,
2814 static const struct wiphy_wowlan_support mwifiex_wowlan_support
= {
2815 .flags
= WIPHY_WOWLAN_MAGIC_PKT
,
2816 .n_patterns
= MWIFIEX_MEF_MAX_FILTERS
,
2817 .pattern_min_len
= 1,
2818 .pattern_max_len
= MWIFIEX_MAX_PATTERN_LEN
,
2819 .max_pkt_offset
= MWIFIEX_MAX_OFFSET_LEN
,
2823 static bool mwifiex_is_valid_alpha2(const char *alpha2
)
2825 if (!alpha2
|| strlen(alpha2
) != 2)
2828 if (isalpha(alpha2
[0]) && isalpha(alpha2
[1]))
2834 static const struct wiphy_coalesce_support mwifiex_coalesce_support
= {
2835 .n_rules
= MWIFIEX_COALESCE_MAX_RULES
,
2836 .max_delay
= MWIFIEX_MAX_COALESCING_DELAY
,
2837 .n_patterns
= MWIFIEX_COALESCE_MAX_FILTERS
,
2838 .pattern_min_len
= 1,
2839 .pattern_max_len
= MWIFIEX_MAX_PATTERN_LEN
,
2840 .max_pkt_offset
= MWIFIEX_MAX_OFFSET_LEN
,
2844 * This function registers the device with CFG802.11 subsystem.
2846 * The function creates the wireless device/wiphy, populates it with
2847 * default parameters and handler function pointers, and finally
2848 * registers the device.
2851 int mwifiex_register_cfg80211(struct mwifiex_adapter
*adapter
)
2855 struct wiphy
*wiphy
;
2856 struct mwifiex_private
*priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
2860 /* create a new wiphy for use with cfg80211 */
2861 wiphy
= wiphy_new(&mwifiex_cfg80211_ops
,
2862 sizeof(struct mwifiex_adapter
*));
2864 dev_err(adapter
->dev
, "%s: creating new wiphy\n", __func__
);
2867 wiphy
->max_scan_ssids
= MWIFIEX_MAX_SSID_LIST_LENGTH
;
2868 wiphy
->max_scan_ie_len
= MWIFIEX_MAX_VSIE_LEN
;
2869 wiphy
->mgmt_stypes
= mwifiex_mgmt_stypes
;
2870 wiphy
->max_remain_on_channel_duration
= 5000;
2871 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
2872 BIT(NL80211_IFTYPE_ADHOC
) |
2873 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
2874 BIT(NL80211_IFTYPE_P2P_GO
) |
2875 BIT(NL80211_IFTYPE_AP
);
2877 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &mwifiex_band_2ghz
;
2878 if (adapter
->config_bands
& BAND_A
)
2879 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &mwifiex_band_5ghz
;
2881 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
2883 wiphy
->iface_combinations
= &mwifiex_iface_comb_ap_sta
;
2884 wiphy
->n_iface_combinations
= 1;
2886 /* Initialize cipher suits */
2887 wiphy
->cipher_suites
= mwifiex_cipher_suites
;
2888 wiphy
->n_cipher_suites
= ARRAY_SIZE(mwifiex_cipher_suites
);
2890 memcpy(wiphy
->perm_addr
, priv
->curr_addr
, ETH_ALEN
);
2891 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
2892 wiphy
->flags
|= WIPHY_FLAG_HAVE_AP_SME
|
2893 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
|
2894 WIPHY_FLAG_AP_UAPSD
|
2895 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
;
2897 if (ISSUPP_TDLS_ENABLED(adapter
->fw_cap_info
))
2898 wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
|
2899 WIPHY_FLAG_TDLS_EXTERNAL_SETUP
;
2902 wiphy
->wowlan
= &mwifiex_wowlan_support
;
2905 wiphy
->coalesce
= &mwifiex_coalesce_support
;
2907 wiphy
->probe_resp_offload
= NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
2908 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
2909 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
2911 wiphy
->available_antennas_tx
= BIT(adapter
->number_of_antenna
) - 1;
2912 wiphy
->available_antennas_rx
= BIT(adapter
->number_of_antenna
) - 1;
2914 wiphy
->features
|= NL80211_FEATURE_HT_IBSS
|
2915 NL80211_FEATURE_INACTIVITY_TIMER
|
2916 NL80211_FEATURE_NEED_OBSS_SCAN
;
2918 /* Reserve space for mwifiex specific private data for BSS */
2919 wiphy
->bss_priv_size
= sizeof(struct mwifiex_bss_priv
);
2921 wiphy
->reg_notifier
= mwifiex_reg_notifier
;
2923 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2924 wdev_priv
= wiphy_priv(wiphy
);
2925 *(unsigned long *)wdev_priv
= (unsigned long)adapter
;
2927 set_wiphy_dev(wiphy
, priv
->adapter
->dev
);
2929 ret
= wiphy_register(wiphy
);
2931 dev_err(adapter
->dev
,
2932 "%s: wiphy_register failed: %d\n", __func__
, ret
);
2937 if (reg_alpha2
&& mwifiex_is_valid_alpha2(reg_alpha2
)) {
2938 wiphy_info(wiphy
, "driver hint alpha2: %2.2s\n", reg_alpha2
);
2939 regulatory_hint(wiphy
, reg_alpha2
);
2941 country_code
= mwifiex_11d_code_2_region(adapter
->region_code
);
2943 wiphy_info(wiphy
, "ignoring F/W country code %2.2s\n",
2947 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2948 HostCmd_ACT_GEN_GET
, FRAG_THRESH_I
, &thr
, true);
2949 wiphy
->frag_threshold
= thr
;
2950 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2951 HostCmd_ACT_GEN_GET
, RTS_THRESH_I
, &thr
, true);
2952 wiphy
->rts_threshold
= thr
;
2953 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2954 HostCmd_ACT_GEN_GET
, SHORT_RETRY_LIM_I
, &retry
, true);
2955 wiphy
->retry_short
= (u8
) retry
;
2956 mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
2957 HostCmd_ACT_GEN_GET
, LONG_RETRY_LIM_I
, &retry
, true);
2958 wiphy
->retry_long
= (u8
) retry
;
2960 adapter
->wiphy
= wiphy
;